# How to Change the Worm Gears for a Garage Door
Inside the motor housing of your garage door opener you will find a series of components. One of these components is a worm gear. This is a circular metal or plastic gear that functions to help raise and lower the garage door. If your garage door isn't rising or lowering, it is time to replace the worm gear. This can be done without the help of a professional.
Things You'll Need
- Phillips screwdriver
- Nut driver
- Replacement worm gear
Instructions
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1
Unplug the power cable connected to your garage door opener.
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2
Remove the screws on the outer motor housing with your Phillips screwdriver. If the housing is held in place with nuts, use a nut driver.
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3
Remove the housing and you will have access to the motor components. You can now see the circular worm gear assembly connected to a chain.
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4
Loosen the nut on the chain with your nut driver, and remove the chain.
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5
Remove the screws on the gear assembly.
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6
Slide the worm gear off the shaft.
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7
Slide a new gear onto the shaft, and replace the screws.
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8
Replace the chain and nut.
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9
Replace the motor housing and nut.
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1
General Home Repair
- How to Change the Gear on a Proline Lynx Garage Door Opener
- How to Change Codes for a Craftsman Garage Door Keypad
- How to Change the Door Switch for a Whirlpool LEQ9858PW0 Dryer
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- How to Change the Bottom Weatherstripping on a Garage Door
- How to Get the Gear Off the Assembly for a Craftsman Garage Door Opener
- How to Change the Lights in a Garage Door Opener
- How to Change the Window in a Garage Door
- How to Change the Code for a Chamberlain Liftmaster Professional Garage Door Opener
- How to Change the Access Code on the Keyless Entry Keypad for Garage Door Openers
- How Do I Change the Code on My Wireless Garage Door Keypad?
- How to Prepare for a Garage Door
